// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
using System.Collections.Immutable;
using System.Threading.Tasks;
 
namespace Microsoft.CodeAnalysis.Shared.TestHooks
{
    internal interface IAsynchronousOperationWaiter
    {
        bool TrackActiveTokens { get; set; }
        ImmutableArray<AsynchronousOperationListener.DiagnosticAsyncToken> ActiveDiagnosticTokens { get; }
 
        /// <summary>
        /// Returns a task which completes when all asynchronous operations currently tracked by this waiter are
        /// completed. Asynchronous operations are expedited when possible, meaning artificial delays placed before
        /// asynchronous operations are shortened.
        /// </summary>
        Task ExpeditedWaitAsync();
        bool HasPendingWork { get; }
    }
}